def decorator(f):
    def wrapper(*args, **kwargs):
        ret = f(*args, **kwargs)
        print('刷漆')
        print('铺地板')
        print('买家具')
        print('精装修房，可以入住啦~~~')
        ret += 10000
        return ret
    return wrapper


@decorator
def house(address, area):
    print('房子在: {}是一座毛坯房, 面积：{}'.format(address, area))
    return 50000


cost = house('杭州西湖', 100)
print('预计花费：{}'.format(cost))